| Mattoon to Karis | 4,560.89 mi (7,340.04 km) |
| Mattoon to Karkkila | 4,555.80 mi (7,331.84 km) |
| Mattoon to Kauhajoki | 4,422.54 mi (7,117.39 km) |
| Mattoon to Kauhava | 4,417.47 mi (7,109.23 km) |
| Mattoon to Kauniainen | 4,583.27 mi (7,376.06 km) |
| Mattoon to Kemi | 4,343.72 mi (6,990.54 km) |
| Mattoon to Kemijarvi | 4,365.15 mi (7,025.02 km) |
| Mattoon to Kempele | 4,399.99 mi (7,081.09 km) |
| Mattoon to Kerava | 4,584.96 mi (7,378.79 km) |
| Mattoon to Keuruu | 4,494.21 mi (7,232.73 km) |
| Mattoon to Kiiminki | 4,396.69 mi (7,075.79 km) |
| Mattoon to Kirkkonummi | 4,579.17 mi (7,369.47 km) |
| Mattoon to Kitee | 4,634.30 mi (7,458.18 km) |
| Mattoon to Kiuruvesi | 4,480.47 mi (7,210.62 km) |
| Mattoon to Kivisto | 4,581.57 mi (7,373.33 km) |
